Climate and monthly weather forecastCastlegar, Ireland
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Castlegar, Ireland, with an average temperature varying between 3.9°C (39°F) and 7.9°C (46.2°F). The lowest temperatures are recorded in January, with averages reaching a high of 7.9°C (46.2°F) and a low of 3.9°C (39°F). Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Castlegar, Ireland, with an average temperature ranging between min 3.3°C (37.9°F) and max 8.2°C (46.8°F). February's arrival shows an average high-temperature of a still chilly 8.2°C (46.8°F), hardly different from the previous month. Weather in February »Weather in March
The first month of the spring, March, is still a chilly month in Castlegar, Ireland, with an average temperature fluctuating between 3.7°C (38.7°F) and 9.6°C (49.3°F). The arrival of March coincides with an average high-temperature of a still chilly 9.6°C (49.3°F), indicating a minimal shift from February's 8.2°C (46.8°F). Weather in March »Weather in April
April in Castlegar, Ireland, is a fresh spring month, with temperature in the range of an average low of 5°C (41°F) and an average high of 12°C (53.6°F). The transition into April marks the average high-temperature at a cool 12°C (53.6°F), differing minimally from March's 9.6°C (49.3°F). Weather in April »Weather in May
May, the last month of the spring in Castlegar, is a refreshing month, with an average temperature varying between 13.9°C (57°F) and 7.4°C (45.3°F). May reports an average high-temperature of a mild 13.9°C (57°F), slightly varied from April's 12°C (53.6°F). Weather in May »Weather in June
June, the first month of the summer in Castlegar, is a comfortable month, with an average temperature varying between 9.8°C (49.6°F) and 16.4°C (61.5°F). The onset of June brings an average high-temperature of a comfortable 16.4°C (61.5°F), nearly matching the May temperature. Weather in June »Weather in July
July, like June, in Castlegar, Ireland, is another refreshing summer month, with an average temperature ranging between max 17.3°C (63.1°F) and min 11.3°C (52.3°F). July stands out as Castlegar's warmest month, with an average high-temperature of 17.3°C (63.1°F) and a low-temperature of 11.3°C (52.3°F). Weather in July »Weather in August
The last month of the summer, August, is another comfortable month in Castlegar, Ireland, with temperature in the range of an average high of 16.9°C (62.4°F) and an average low of 11.4°C (52.5°F). August brings a marginal elevation to a still refreshing 16.9°C (62.4°F) from July's 17.3°C (63.1°F) in Castlegar's average high-temperatures. Weather in August »Weather in September
The first month of the autumn, September, is also a moderate month in Castlegar, Ireland, with an average temperature ranging between max 15.5°C (59.9°F) and min 9.9°C (49.8°F). As Castlegar welcomes September, the average high-temperature stabilizes at a moderate 15.5°C (59.9°F), showing little deviation from August's 16.9°C (62.4°F). Weather in September »Weather in October
October, like September, is another mild autumn month in Castlegar, Ireland, with an average temperature ranging between min 8.3°C (46.9°F) and max 13.1°C (55.6°F). The transition into October shows a subtle variation to a still moderate 13.1°C (55.6°F) from September's 15.5°C (59.9°F) in the average high-temperature. Weather in October »Weather in November
November, the last month of the autumn in Castlegar, is also a frosty month, with an average temperature fluctuating between 9.8°C (49.6°F) and 5.5°C (41.9°F). During the shift to November, Castlegar records a mild decrease in average high-temperature, moving from a mild 13.1°C (55.6°F) in October to a chilly 9.8°C (49.6°F). Weather in November »Weather in December
December, the first month of the winter in Castlegar, is also a frosty month, with an average temperature fluctuating between 8.1°C (46.6°F) and 4.3°C (39.7°F). The average high-temperature for December is a still chilly 8.1°C (46.6°F), closely aligning with the temperature of the preceding month. Weather in December »Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Castlegar, January records the average lowest temperatures, peaking at 7.9°C (46.2°F) and reaching a low of 3.9°C (39°F).
January, July through December, with an average relative humidity of 87%, are most humid months in Castlegar, Ireland.
In Castlegar, during the entire year, the rain falls for 235.1 days and collects up to 619mm (24.37") of precipitation.
Months with snowfall are January through March and December.
The month with the most snowfall in Castlegar, Ireland, is January, when snow falls for 0.8 days and typically aggregates up to 7mm (0.28") of snow.
In Castlegar, Ireland, during the entire year, snow falls for 3.1 days and aggregates up to 20mm (0.79") of snow.
The months with the lowest UV index in Castlegar are January through March, November and December, with an average maximum UV index of 2.
The months with the lowest humidity in Castlegar are March and April, with an average relative humidity of 83%.
April is the month with the least rainfall. Rain falls for 17.3 days and accumulates 36mm (1.42") of precipitation.
In Castlegar, Ireland, snow does not fall in April through November.
The months with the highest UV index in Castlegar, Ireland, are May through July, with an average maximum UV index of 4.
With an average of 16h and 54min of daylight, June has the longest days of the year in Castlegar.
With an average of 7.4h of sunshine, June has the most sunshine of the year.
In Castlegar, Ireland, the average highest temperatures are observed in July, with a high of 17.3°C (63.1°F) and a low of 11.3°C (52.3°F).
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from IST to GMT. Daylight Saving Time ends on Sunday, 30. March 2025, at 1:00 am, and the time zone reverts from GMT to IST.
November is the month with the most rainfall in Castlegar, Ireland. Rain falls for 18.9 days and accumulates 69mm (2.72") of precipitation.
December has the shortest days of the year in Castlegar, Ireland, with an average of 7h and 36min of daylight.
The month with the least sunshine is December, with an average of 3.7h of sunshine.
Average temperature
Castlegar, Ireland
The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (7.9°C).
The month with the highest average low temperature is August (11.4°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure
Castlegar, Ireland
- Average pressure in January:
1010.6mbar - Average pressure in February:
1010.3mbar - Average pressure in March:
1013.7mbar - Average pressure in April:
1014.3mbar - Average pressure in May:
1015.7mbar - Average pressure in June:
1015.2mbar
- Average pressure in July:
1013.8mbar - Average pressure in August:
1012.3mbar - Average pressure in September:
1014.8mbar - Average pressure in October:
1011.7mbar - Average pressure in November:
1007.7mbar - Average pressure in December:
1010.2mbar
The month with the highest atmospheric pressure is May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1007.7mbar).
Average wind speed
Castlegar, Ireland
- Average wind speed in January:
22.1km/h - Average wind speed in February:
22.2km/h - Average wind speed in March:
20km/h - Average wind speed in April:
16.8km/h - Average wind speed in May:
17km/h - Average wind speed in June:
15.2km/h
- Average wind speed in July:
14.8km/h - Average wind speed in August:
16.4km/h - Average wind speed in September:
16.4km/h - Average wind speed in October:
18km/h - Average wind speed in November:
19.8km/h - Average wind speed in December:
22.2km/h
The windiest months (with the highest average wind speed) are February and December (22.2km/h).
The calmest month (with the lowest average wind speed) is July (14.8km/h).
Average humidity
Castlegar, Ireland
The months with the highest relative humidity are January, July, August, September, October, November and December (87%).
The months with the lowest relative humidity are March and April (83%).
Average rainfall
Castlegar, Ireland
The wettest month (with the highest rainfall) is November (69mm).
The driest month (with the least rainfall) is April (36mm).
Average rainfall days
Castlegar, Ireland
- Average rainfall days in January:
20.8 days - Average rainfall days in February:
17.6 days - Average rainfall days in March:
17.4 days - Average rainfall days in April:
17.3 days - Average rainfall days in May:
20.4 days - Average rainfall days in June:
19.6 days
- Average rainfall days in July:
22.4 days - Average rainfall days in August:
23.2 days - Average rainfall days in September:
17.4 days - Average rainfall days in October:
19.3 days - Average rainfall days in November:
18.9 days - Average rainfall days in December:
20.8 days
The month with the highest number of rainy days is August (23.2 days).
The month with the least rainy days is April (17.3 days).
Average snowfall
Castlegar, Ireland
The month with the highest snowfall is January (7mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Castlegar, Ireland
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
0.7 days - Average snowfall days in March:
0.9 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.1 days - Average snowfall days in December:
0.6 days
The month with the highest number of snowfall days is March (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Castlegar, Ireland
- Average daylight in January:
8h and 12min - Average daylight in February:
9h and 54min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 0min - Average daylight in May:
15h and 54min - Average daylight in June:
16h and 54min
- Average daylight in July:
16h and 24min - Average daylight in August:
14h and 42min - Average daylight in September:
12h and 42min - Average daylight in October:
10h and 36min - Average daylight in November:
8h and 42min - Average daylight in December:
7h and 36min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in January:
3h and 48min - Average sunshine in February:
3h and 54min - Average sunshine in March:
4h and 42min - Average sunshine in April:
6h and 24min - Average sunshine in May:
6h and 12min - Average sunshine in June:
7h and 24min
- Average sunshine in July:
6h and 0min - Average sunshine in August:
5h and 36min - Average sunshine in September:
5h and 24min - Average sunshine in October:
4h and 6min - Average sunshine in November:
3h and 54min - Average sunshine in December:
3h and 42min
The month with the most sunshine is June (Average sunshine: 7h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days
Castlegar, Ireland
- Average sunshine days in January:
6.6 days - Average sunshine days in February:
7.8 days - Average sunshine days in March:
9.4 days - Average sunshine days in April:
9 days - Average sunshine days in May:
6.6 days - Average sunshine days in June:
7 days
- Average sunshine days in July:
6 days - Average sunshine days in August:
4.1 days - Average sunshine days in September:
7.2 days - Average sunshine days in October:
8.8 days - Average sunshine days in November:
7.7 days - Average sunshine days in December:
7.1 days
The month with the most sunshine days is March (9.4 days).
The month with the least sunshine days is August (4.1 days).
Average UV index
Castlegar, Ireland
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Castlegar, Ireland
The month with the most cloud cover is July (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility
Castlegar, Ireland
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).
